Coolaroo Cantilever Umbrella, Freestanding Patio Shade Umbrella, 90% UV Block, Round 10' with Two Position Tilt, Smoke Fabric provides 90%UV block Unique Coolaroo fabric "breathes" to reduce temperature below up to one third Resists mold and mildew and is easy to clean with soap and water 5 year warranty against UV degredation Coolaroo Cantilever Water Base model 454258 fits all Coolaroo Cantilever Umbrellas